



Dewayne Hart is a highly respected cybersecurity speaker and All-Cyber professional who challenges organisations to rethink security as more than a technical function. He believes cybersecurity is fundamentally a leadership, mindset, and quality-of-life issue that shapes how people live, work, and connect in a digital society. Renowned for his common-sense approach, Dewayne delivers practical strategies and clear roadmaps that help organisations move from reactive defence to proactive resilience, empowering audiences to stay ahead of increasingly sophisticated threat actors.
Dewayne’s professional foundation was forged during a distinguished 20-year career in the United States Navy, where he retired as a Chief Petty Officer. During his service, he specialised in computer systems and weapons defence while leading leadership development training programmes for personnel operating in high-risk, mission-critical environments. This combination of deep technical expertise and leadership responsibility shaped his ability to manage complexity, assess risk under pressure, and build resilient teams. Following his military retirement, he transitioned seamlessly into the civilian cybersecurity sector, bringing a disciplined, operational mindset to enterprise security challenges. In 2014, Dewayne founded Secure Managed Instructional Systems, a cybersecurity advisory and workforce development firm dedicated to cyber defence, risk management, and organisational resilience. Through this work, he has advised major global organisations, including PwC, Kaiser Permanente, and multiple U.S. Federal agencies. His methodology encourages leaders and teams to “put on a Hacker’s Hat”, enabling them to anticipate adversarial tactics before vulnerabilities escalate into incidents.
Dewayne is also the author of two influential books, ‘The Cybersecurity Mindset’ and ‘Cybersecurity Leadership’, which explore the human and strategic dimensions of cyber defence. As a former Forbes Technology Council contributor, he has written extensively on artificial intelligence, leadership, and building high-performing cyber teams. He further extends his influence as host of The Chief of Cybersecurity podcast, examining how cyber issues directly affect everyday digital life.
As a cybersecurity speaker, Dewayne Hart is valued for his ability to translate complex statistics, frameworks, and jargon into compelling, actionable narratives. He has addressed audiences at major forums, including the National Cybersecurity Summit, Incyber Forum, and the Techno Security and Digital Forensics Conference. His presentations bridge technical realities with leadership accountability, covering artificial intelligence, cybercrime, workforce modernisation, and cyber awareness. Organisations hire Dewayne because he equips leaders, professionals, and communities with the mindset, tools, and confidence to build resilient cyber cultures and thrive securely in an increasingly interconnected world.
The Cyber Security Speakers Agency is the UK’s top speakers’ bureau specialising in digital data protection experts – named as the No.1 cyber security speakers agency in 2025!
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